Sikh Gurdwara

Historical marker location:

4210 Broadview Rd, Richfield, Ohio

( Marker is on Broadview Road (Ohio Route 176) south of Harburn Road, on the right when traveling south.)

Marker installed: 2003

The Great Serpent Mound, located in Adams County, Ohio, is a prehistoric effigy mound in the shape of a serpent that is more than 1,300 feet long. It is one of the largest effigy mounds in the world and is estimated to have been built by the Adena culture more than 1,000 years ago.